<template>
  <!-- 底部部分 -->
    <footer class="footer">
      <span class="todo-count"><strong>{{sum}}</strong>剩余</span>
      <ul class="filters">
        <li>
          <a :class="{selected:type==='all'}" href="#/" @click="changeType('all')">全部</a>
        </li>
        <li>
          <a  :class="{selected:type==='active'}"  @click="changeType('active')" href="#/active">进行中</a>
        </li>
        <li>
          <a :class="{selected:type==='completed'}"  @click="changeType('completed')" href="#/completed">已完成</a>
        </li>
      </ul>
      <button class="clear-completed" v-show="showClearBtn" @click="delAll">清除已完成</button>
    </footer>
</template>
 
<script>
export default {
  name: "TodoListFooter",
  components: {},
  props: {
    sum:{
      type:Number,
      required:true,
    },
    showClearBtn :{
      type:Boolean,
      required:true,
    },
    type:{
       type: String,
       required:true,
    }
  },
  methods: {
    delAll(){
      this.$emit('delAll');
    },
    changeType(value){
       this.$emit('changeType', value);
    }
  }
};
</script>

<style scoped>
     
</style>